/Engine/Source/Runtime/MovieScene/Public/Evaluation/PreAnimatedState/MovieScenePreAnimatedStateStorage.h
Save pre-animated state for the specified group and key using a callback. Callback will only be invoked if state has not already been saved.
template<typename OnCacheValue> void CachePreAnimatedValue ( [FPreAnimatedStorageGroupHandle](API\Runtime\MovieScene\Evaluation\PreAnimatedState\FPreAnimatedStorageGroupHandle) GroupHandle, const [KeyType](API\Runtime\MovieScene\Evaluation\PreAnimatedState\TPreAnimatedStateStorage\KeyType) & InKey, OnCacheValue && CacheCallback, [EPreAnimatedCaptureSourceTracking](API\Runtime\MovieScene\Evaluation\PreAnimatedState\UE__MovieScene__-_1) TrackingMode )